/* $Id: isdn.c,v 1.13 2004/01/29 04:40:02 reinelt Exp $ * * ISDN specific functions * * Copyright 1999, 2000 Michael Reinelt * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: isdn.c,v $ * Revision 1.13 2004/01/29 04:40:02 reinelt * every .c file includes "config.h" now * * Revision 1.12 2003/11/24 11:34:54 reinelt * * 'Fixed' Rows which do not scroll by Lars Kempe * temporary workaround for debian kernel-header bug * * Revision 1.11 2003/10/05 17:58:50 reinelt * libtool junk; copyright messages cleaned up * * Revision 1.10 2003/06/21 05:46:18 reinelt * DVB client integrated * * Revision 1.9 2001/05/27 07:19:28 reinelt * * fixed a warning in pixmap.c * temporarily fixed a bug in isdn.c (ISDN_MAX_CHANNELS is no longer defined?) * fixed a bug in configure.in (--with-drivers=xyz did not work) * * Revision 1.8 2000/08/10 18:42:20 reinelt * * fixed some bugs with the new syslog code * * Revision 1.7 2000/08/10 09:44:09 reinelt * * new debugging scheme: error(), info(), debug() * uses syslog if in daemon mode * * Revision 1.6 2000/04/15 11:56:35 reinelt * * more debug messages * * Revision 1.5 2000/03/13 15:58:24 reinelt * * release 0.9 * moved row parsing to parser.c * all basic work finished * * Revision 1.4 2000/03/10 17:36:02 reinelt * * first unstable but running release * * Revision 1.3 2000/03/07 11:01:34 reinelt * * system.c cleanup * * Revision 1.2 2000/03/06 06:04:06 reinelt * * minor cleanups * */ /* * exported functions: * * Isdn (int *rx, int *tx, int *usage) * returns 0 if ok, -1 if error * sets *usage to all channels USAGE or'ed together * sets received/transmitted bytes in *rx, *tx * */ #include "config.h" #include #include #include #include #include #include #include #include // Fixme: my debian has some bugs with kernel headers #if 0 #include #else #define IIOCGETCPS _IO('I',21) #endif // Fixme: ISDN_MAX_CHANNELS seems undefined in recent kernels #ifndef ISDN_MAX_CHANNELS #define ISDN_MAX_CHANNELS 64 #endif #include "debug.h" #include "isdn.h" #include "filter.h" typedef struct { unsigned long in; unsigned long out; } CPS; static int Usage (void) { static int fd=0; char buffer[4096], *p; int i, usage; if (fd==-1) return 0; fd=open ("/dev/isdninfo", O_RDONLY | O_NDELAY); if (fd==-1) { error ("open(/dev/isdninfo) failed: %s", strerror(errno)); return 0; } if (read (fd, buffer, sizeof(buffer))==-1) { error ("read(/dev/isdninfo) failed: %s", strerror(errno)); fd=-1; return 0; } if (close(fd)==-1) { error ("close(/dev/isdninfo) failed: %s", strerror(errno)); fd=-1; return 0; } p=strstr(buffer, "usage:"); if (p==NULL) { error ("parse(/dev/isdninfo) failed: no usage line"); fd=-1; return 0; } p+=6; usage=0; for (i=0; i[lcd4linux @ 2005-05-10 13:20:10 by reinelt]reinelt9-22/+511 2005-05-08[lcd4linux @ 2005-05-08 04:32:43 by reinelt]reinelt94-15305/+16121 2005-05-06[lcd4linux @ 2005-05-06 06:41:53 by reinelt]reinelt1-1/+1 2005-05-06[lcd4linux @ 2005-05-06 06:37:34 by reinelt]reinelt3-31/+112 2005-05-06[lcd4linux @ 2005-05-06 05:40:02 by reinelt]reinelt20-2167/+0 2005-05-06[lcd4linux @ 2005-05-06 05:36:58 by reinelt]reinelt6-238/+0 2005-05-05[lcd4linux @ 2005-05-05 08:36:12 by reinelt]reinelt6-15/+34 2005-05-04[lcd4linux @ 2005-05-04 07:18:44 by obconseil]obconseil1-36/+84 2005-05-04[lcd4linux @ 2005-05-04 06:13:05 by reinelt]reinelt2-12/+77 2005-05-04[lcd4linux @ 2005-05-04 05:42:37 by reinelt]reinelt7-23/+398 2005-05-04[lcd4linux @ 2005-05-04 05:22:12 by reinelt]reinelt1-28/+31 2005-05-03[lcd4linux @ 2005-05-03 11:13:23 by reinelt]reinelt6-30/+122 2005-05-02[lcd4linux @ 2005-05-02 10:29:20 by reinelt]reinelt9-30/+636 2005-05-02[lcd4linux @ 2005-05-02 05:15:46 by reinelt]reinelt4-9/+51 2005-04-30[lcd4linux @ 2005-04-30 06:02:09 by reinelt]reinelt3-15/+44 2005-04-24[lcd4linux @ 2005-04-24 05:27:09 by reinelt]reinelt2-7/+38 2005-04-24[lcd4linux @ 2005-04-24 04:41:28 by reinelt]reinelt1-0/+68 2005-04-24[lcd4linux @ 2005-04-24 04:33:46 by reinelt]reinelt9-10/+444 2005-04-20[lcd4linux @ 2005-04-20 05:49:21 by reinelt]reinelt1-44/+125 2005-04-09[lcd4linux @ 2005-04-09 07:36:42 by reinelt]reinelt2-17/+99 2005-04-05[lcd4linux @ 2005-04-05 06:57:39 by reinelt]reinelt3-34/+34 2005-04-05[lcd4linux @ 2005-04-05 05:12:48 by reinelt]reinelt4-407/+33 2005-04-05[lcd4linux @ 2005-04-05 04:46:06 by reinelt]reinelt1-1/+20 2005-04-04[lcd4linux @ 2005-04-04 20:11:14 by nicowallmeier]nicowallmeier1-2/+6 2005-04-03[lcd4linux @ 2005-04-03 07:07:43 by reinelt]reinelt8-9/+152 2005-04-02[lcd4linux @ 2005-04-02 05:28:58 by reinelt]reinelt3-19/+27 2005-04-01[lcd4linux @ 2005-04-01 05:16:04 by reinelt]reinelt5-584/+694 2005-03-30[lcd4linux @ 2005-03-30 04:57:50 by reinelt]reinelt3-23/+67 2005-03-28[lcd4linux @ 2005-03-28 22:29:23 by reinelt]reinelt1-250/+346 2005-03-28[lcd4linux @ 2005-03-28 19:39:14 by reinelt]reinelt9-256/+1147 2005-03-25[lcd4linux @ 2005-03-25 15:44:43 by reinelt]reinelt1-2/+5 2005-03-23[lcd4linux @ 2005-03-23 12:23:35 by reinelt]reinelt1-27/+32 2005-02-24[lcd4linux @ 2005-02-24 07:07:55 by reinelt]reinelt1-0/+53 2005-02-24[lcd4linux @ 2005-02-24 07:06:45 by reinelt]reinelt11-28/+347 2005-02-24[lcd4linux @ 2005-02-24 06:51:40 by reinelt]reinelt1-4/+5 2005-01-30[lcd4linux @ 2005-01-30 06:43:22 by reinelt]reinelt4-69/+95 2005-01-29[lcd4linux @ 2005-01-29 09:30:56 by reinelt]reinelt1-8/+11 2005-01-22[lcd4linux @ 2005-01-22 22:57:57 by reinelt]reinelt9-47/+382 2005-01-22[lcd4linux @ 2005-01-22 12:44:41 by reinelt]reinelt1-3/+6 2005-01-18[lcd4linux @ 2005-01-18 06:30:21 by reinelt]reinelt89-261/+603 2005-01-17[lcd4linux @ 2005-01-17 06:38:48 by reinelt]reinelt1-1/+6 2005-01-17[lcd4linux @ 2005-01-17 06:29:24 by reinelt]reinelt3-33/+85